---

In mathematics, twelve is a number made up of perfect number divisors.

---

There are twelve petals in the Heart Chakra.

---

The human body has twelve cranial nerves.

---

There is twelve inches in a foot, twelve hours in each half of the day, and twelve months in a year.

---

The basic units of time, 60 seconds, 60 minutes and 24 hours can all perfectly divide by twelve.

---

Twelve is the number of keys on any standard digital telephone (1 through 9, 0, * and #).

---

The number of function keys on most PC keyboards is twelve (F1 through F12).

---

The Beatles released twelve studio albums.

---

The Florida Keys Manatee is pregnant for twelve months.

---

Paradise Lost, by John Milton, is divided into twelve books.

---

In ten-pin bowling, twelve is the number of strikes needed for a perfect game.

---

There are twelve of something in a dozen and a Gros is a dozen of a dozen.

---

Regular cubes have twelve edges.

---

The densest three-dimensional lattice sphere packing has each sphere touching twelve others.

---

Force 12 is the maximum wind speed of a hurricane.

---

Jacob had twelve sons who were the progenitors of the Twelve Tribes.

---

Jesus had twelve apostles.

---

In Shi’a Islam there are twelve Imans who are the legitimate successors to the prophet Mohammad.

---

Twelve is the kissing number in three dimensions.

---

Joe Namath wore the number 12.

---

There are twelve basic hues in the color wheel.

---

In English, twelve is the number of the greatest magnitude that has just one syllable.

---

There are twelve face cards in a card deck.

---

Twelve people sit on a United States jury.

---

There are normally twelve pairs of ribs in the human body.

---

Twelve people have walked on Earth’s moon.

---

In a 12-step program to recovery, the twelfth and final step is the door of freedom.